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US177680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in harvesters
Assignee: —
•
Filing: —
•
Granted: 1876-05-23
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Expires: 1893-05-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:47
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0652; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32713
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1879-05-23 | 1879-11-22 | 1880-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-05-23 | 1883-11-22 | 1884-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-05-23 | 1887-11-22 | 1888-05-23 | $7700.00 | Window Closed / Lapsed |